NDLI: High Precision Topographic Mapping at Chang'E-3 Landing Site with Multi-Source Data

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High Precision Topographic Mapping at Chang'E-3 Landing Site with Multi-Source Data

Content Provider	Scilit
Author	Liu, Y. Liu, B. Xu, B. Liu, Z. Di, K. Zhou, J.
Copyright Year	2014
Description	Chang'e-3 (CE-3) is the first lander and rover of China following the success of Chang'e-1 and Chang'e-2 (CE-2) orbiters. High precision topographic mapping can provide detailed terrain information to ensure the safety of the rover as well as to support scientific investigations. In this research, multi-source data are co-registered into a uniform geographic framework for high precision topographic mapping at the CE-3 landing site. CE-2 CCD images with 7 m- and 1.5 m- resolutions are registered using selfcalibration bundle adjustment method with ground control points (GCPs) selected from LRO WAC mosaic map and LOLA DTM. The trajectory of CE-3 descent images are recovered using self-calibration free net bundle adjustment, and then the topographic data is rectified by absolute orientation with GCPs selected from the adjusted CE-2 DEM and DOM. Finally, these topographic data are integrated into the same geographic framework for unified, multi-scale, high precision mapping of the CE-3 landing site. Key technologies and the mapping products of this research have been used to support the surface operations of CE-3 mission.
Ending Page	161
Page Count	5
Starting Page	157
e-ISSN	21949034
DOI	10.5194/isprsarchives-xl-4-157-2014
Journal	The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences
Volume Number	XL-4
Language	English
Publisher	Copernicus GmbH
Publisher Date	2014-04-23
Access Restriction	Open
Subject Keyword	Imaging Science Landing Site High Precision
Content Type	Text
Resource Type	Article

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